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Figure 4-5 New spread roll conguration
1. Interference Between
Front and Bottom Covers
A few cameras may have an interference t
between the S7 actuator post and the edge of
the bottom cover when the front cover is opened.
The problem has been traced to slightly oversize
bottom covers. Problem bottom covers have a
mark «PP 2½».
One method of correction is to bias the bottom
cover and front cover away from each other to
the limit of the screw holes. In an extreme case,
you may be able to grind the required clearance
from the S7 actuator post in the front cover.
Correction of this interference problem should
only be at customer request since the problem
diminishes with use.
1. Top Spread Roll Looseness
There have been instances of the top spread roll
popping out of the spread system. To eliminate the
problem, the new spread rolls have a cap welded
on the end opposite the drive gear (Figure 4-5).
The cap captures the spread system frame.
When making any repairs requiirng replacement
of either the spread system or the front cover
assembly, replace the old spread system with
a new one. If you install a new spread system
in an old front cover, you must remove the light
seal before installing the new spread system.
The new light seal is adhered directly to the
spreader before the spreader is installed in the
front cover.
4. Replacing the Light Shield Cam
A manufacturing change to the Trim Assembly
was made to overcome erratic action. Part of this
change was to revise the cam on the light shield.
(This cam resets the Trim Assembly each time the
camera is closed.) Figure 4-6 compares the old
shutter and cam with the new shutter and cam.
The cam on the light shield of the front cover has
been made wider and deeper. The tang of the
trim reset lever (shutter) is now a at bar about
1/16 of an inch wide and appears off center. It
is a brass or at black color. (All replacement
shutters will be the new type.) The improved
shutter will also have a cut out aera larger and
squarer in shape than the older version.